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Ask The Experts - What is the name and model of the old jaw crusher pictured in last month’s issue?
June 2020 by Chris Ralph
The Portable XRF Gun
While there is no metal detector that will see only gold, there is a device that can reliably distinguish gold from lead, copper, iron or other metals. It is an X-Ray fluorescence tester, sometimes called an XRF gun.
Ask The Experts - Were there insufficient values to continue mining at this site?
Were there insufficient values to continue mining at this site?
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Designing my own dredge...
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How do I set up a small placer operation?
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• Can you explain a jig, Ainlay bowl, hammer mill?
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The Bawl Mill
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